A company has Active Directory Domain Services (AD DS) domain controllers that run on Windows Server
2012 R2 servers. There are two forests, and each has a single domain. There is a two-way forest trust between the forests. The company uses Hyper-V for server virtualization. The Hyper-V environment contains the Hyper-V host servers as shown in the following table:

You prepare to deploy System Center 2012 R2 Data Protection Manager (DPM) to back up the Hyper-V environment. The deployment must meet the following requirements:
ensure that all Hyper-V servers can be backed up from a minimum of two DPM servers

minimize the total number of DPM servers

You need to deploy DPM to the environment.
What should you deploy?